JPS61132507U - - Google Patents

Info

Publication number

JPS61132507U

JPS61132507U JP1371985U JP1371985U JPS61132507U JP S61132507 U JPS61132507 U JP S61132507U JP 1371985 U JP1371985 U JP 1371985U JP 1371985 U JP1371985 U JP 1371985U JP S61132507 U JPS61132507 U JP S61132507U

Authority

JP

Japan

Prior art keywords

core

head

groove

erase head

rear core

Prior art date

1985-02-04

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

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• 238000003379 elimination reaction Methods 0.000 description 1